CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
Percentile
89.9%
Issue Overview:
OpenSSH is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.(CVE-2018-15473)
Affected Packages:
openssh
Issue Correction:
Run yum update openssh to update your system.
New Packages:
i686:
openssh-server-7.4p1-16.71.amzn1.i686
openssh-clients-7.4p1-16.71.amzn1.i686
openssh-keycat-7.4p1-16.71.amzn1.i686
openssh-cavs-7.4p1-16.71.amzn1.i686
openssh-7.4p1-16.71.amzn1.i686
pam_ssh_agent_auth-0.10.3-2.16.71.amzn1.i686
openssh-ldap-7.4p1-16.71.amzn1.i686
openssh-debuginfo-7.4p1-16.71.amzn1.i686
src:
openssh-7.4p1-16.71.amzn1.src
x86_64:
openssh-keycat-7.4p1-16.71.amzn1.x86_64
openssh-debuginfo-7.4p1-16.71.amzn1.x86_64
openssh-server-7.4p1-16.71.amzn1.x86_64
openssh-cavs-7.4p1-16.71.amzn1.x86_64
openssh-clients-7.4p1-16.71.amzn1.x86_64
openssh-ldap-7.4p1-16.71.amzn1.x86_64
openssh-7.4p1-16.71.amzn1.x86_64
pam_ssh_agent_auth-0.10.3-2.16.71.amzn1.x86_64
Red Hat: CVE-2018-15473
Mitre: CVE-2018-15473
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 1 | i686 | openssh-server | < 7.4p1-16.71.amzn1 | openssh-server-7.4p1-16.71.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | openssh-clients | < 7.4p1-16.71.amzn1 | openssh-clients-7.4p1-16.71.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | openssh-keycat | < 7.4p1-16.71.amzn1 | openssh-keycat-7.4p1-16.71.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | openssh-cavs | < 7.4p1-16.71.amzn1 | openssh-cavs-7.4p1-16.71.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | openssh | < 7.4p1-16.71.amzn1 | openssh-7.4p1-16.71.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | pam_ssh_agent_auth | < 0.10.3-2.16.71.amzn1 | pam_ssh_agent_auth-0.10.3-2.16.71.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | openssh-ldap | < 7.4p1-16.71.amzn1 | openssh-ldap-7.4p1-16.71.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | openssh-debuginfo | < 7.4p1-16.71.amzn1 | openssh-debuginfo-7.4p1-16.71.amzn1.i686.rpm |
Amazon Linux | 1 | x86_64 | openssh-keycat | < 7.4p1-16.71.amzn1 | openssh-keycat-7.4p1-16.71.amzn1.x86_64.rpm |
Amazon Linux | 1 | x86_64 | openssh-debuginfo | < 7.4p1-16.71.amzn1 | openssh-debuginfo-7.4p1-16.71.amzn1.x86_64.rpm |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
Percentile
89.9%